Brian Brohm is listed as the team's starting quarterback on the Bombers' depth chart, which was released by the team in advance of Saturday's game at Investors Group Field.
Willy left midway through the team's game against the Edmonton Eskimos on Monday. At the time, he was listed as having an upper body injury. Brohm came in as his replacement.
The 6-9 Blue Bombers are currently last in the West Division standings and haven't won a game since Aug. 22.
The team released running back Nic Grigsby on Wednesday.